Air hammers for Pin torque

Diane Hofstetter dianepianotuner@hotmail.com
Tue, 24 Oct 2000 18:59:26 GMT


Barrie,

  Just two questions:  can't you find a way to raise the height of the 
upright so it's more comfortable too?  Do your neighbors like the sound of 
the sledge at 7:00am :-)

Diane


>From: Barrie Heaton <Piano@forte.airtime.co.uk>
>Reply-To: pianotech@ptg.org
>To: pianotech@ptg.org
>Subject: Re: Air hammers for Pin torque
>Date: Tue, 24 Oct 2000 11:54:43 +0100
>
>Hi Diane,
>
>I am Please some one  reads the history page  -
>
>
>  I think a lot also depends on the height,  I find grands more comfortable 
>to restring the uprights because the level of pins is at a more comfortable 
>level for me.
>
>The only down side is the noise level with any air tools,  next door would 
>love me if i used one at 7 am :-)
>
>Barrie,
>
>
>In article <LAW-F99GKxhBK6Qajbt000091f3@hotmail.com>, Diane Hofstetter 
><dianepianotuner@hotmail.com> writes
>>Hi Barrie,
>>
>>I like your history website!  You've sure done a lot of work on it.
>>
>>I believe that a primary cause of the better and more consistent torque is
>>from it being hit by many small blows rather than a few heavy ones.  True,
>>the pin does go in straighter all the way.  Also the number of blows is
>>probably more consistent.  The hammer hits at regular intervals and the
>>distance each pin has to go down is the same.  I notice that when I string
>>with a sledge, I tend to use differing numbers of hits with the hammer,
>>depending on how tired I am!
>>
>>(A lot less tired with an air hammer!)
>>Diane
>>
>>
>>>From: Barrie Heaton <Piano@forte.airtime.co.uk>
>>>Reply-To: pianotech@ptg.org
>>>To: pianotech@ptg.org
>>>Subject: Re: Air hammers for Pin torque
>>>Date: Mon, 23 Oct 2000 19:54:52 +0100
>>>
>>>In article <002601c03bda$5aaa6680$bd3c070c@delsmachine>, Delwin D
>>Fandrich
>>><pianobuilders@olynet.com> writes
>>>>
>>>>----- Original Message -----
>>>>From: "Diane Hofstetter" <dianepianotuner@hotmail.com>
>>>>To: <pianotech@ptg.org>
>>>>Sent: October 21, 2000 12:10 PM
>>>>Subject: Re:Air hammers for Pin torque
>>>>
>>>>
>>>>>Around the time I started stringing with an air hammer, I mentioned it 
>>>>>at
>>>>a
>>>>>PTG meeting.  After the meeting, Laroy Edwards came over and told me
>>that
>>>>at
>>>>>the Yamaha factory they had discovered they got better and more
>>>>>consistent
>>>>>pin torque with an air hammer.
>>>>>Diane
>>>>>
>>>>-----------------
>>>>
>>>>This has been our experience as well.
>>>>
>>>>Del
>>>>
>>>>
>>>
>>>Could it be because there is no side impact to the pin,  as you get with
>>>the arching effect  with  a normal hammer - so the pin or punch is not 
>>>hit
>>>square each time.
>>>
>>>Barrie,
>>>--
>>>Barrie Heaton      PGP key on request           http://www.a440.co.uk/
>>>AcryliKey Ivory Repair System UK ©              
>>>http://www.acrylikey.co.uk/
>>>The U.K. Piano Page ©
>>>http://www.uk-piano.org/
>>>                                  Home to the UK Piano Industry
>>
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>
>--
>Barrie Heaton      PGP key on request           http://www.a440.co.uk/
>AcryliKey Ivory Repair System UK ©              http://www.acrylikey.co.uk/
>The U.K. Piano Page ©                                   
>http://www.uk-piano.org/
>                                  Home to the UK Piano Industry

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